Abiotic factors are the non-living things like temperature, soils conditions, water, etc. of a particular area that determine the kind of life surviving there. The article discusses these abiotic factors and how they affect living organisms. slide 1 of 8.
Also, it is rare, but if you are wearing socks for a long amount of time, and they start to itch, it may mean fuzzies from the socks are embedding in the creases in your feet, which cause the tiny pores in the creases of your feet to not be able to keep airing out.
1 doctor agreed: Nerves: Most burning type of pain is caused by a nerve problem. Depending on the location of the pain on the bottom of the foot it may be caused by plantar fasciitis entrapping the nerve at the side & bottom of the heel. If at the level of the toes it could be a neuroma.